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Retro fitting a Fiat 500 1.2 lounge 7” unconnect

Posted: 04 Feb 2026, 00:05
by Andy 187
Need some help solving a problem after fitting a 7” unconnect.

I have completed a prox alignment and I’m getting the following error

Entertainment Telematic Node (ETM) EOL Failed

Along with

B10AA-4A - PROXI configuration control Incorrect component installed Present

All features on the unconnect 7” work fine but the mileage flashes

Thanks in advance for some guidance

See attached photos

Re: Retro fitting a Fiat 500 1.2 lounge 7” unconnect

Posted: 22 Feb 2026, 20:15
by SixthScaleSteve
I had the exact same issue and followed the guide from Step 6 on this page which resolved it:

https://vk2.net/articles/Abarth-UConnect%205-to-7-Upgrade

Re: Retro fitting a Fiat 500 1.2 lounge 7” unconnect

Posted: 08 Mar 2026, 23:57
by Andy 187
Thanks for your help, I reading the article and making the changes it suggests seem to have solved the issue I was having. My only question is what’s the significance of increasing to 193 bytes?